Home / 83,611.86-115,376.75-49,614.51

Finding the Fourth Proportional to 83,611.86, 115,376.75 and 49,614.51

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Solution

The fourth proportional to 83,611.86, 115,376.75 and 49,614.51 is: 68,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.86 : 115,376.75 = 49,614.51 : x
  2. Step 2: Convert to fraction form
    83,611.86/115,376.75 = 49,614.51/x
  3. Step 3: Cross multiply
    83,611.86x = 115,376.75 × 49,614.51
  4. Step 4: Simplify right side
    83,611.86x = 5,724,360,668.57
  5. Step 5: Solve for x
    x = 5,724,360,668.57/83,611.86
  6. Step 6: Final answer
    x = 68,463.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.